ALBUQUERQUE, N.M. — Transported in the backseat of a blacked-out Plymouth sedan was the culmination of years of feverish work — a hefty plutonium core that would soon be used to trigger the world’s ...

Oct. 14—In the shadow of a federal government shutdown, the site where the first atomic bomb was tested will not be open to the public this year. Located on White Sands Missile Range, the Trinity Site ...

Hydrogen bombs cause a bigger explosion, which means the shock waves, blast, heat and radiation all have larger reach than an ...

When it comes to marking anniversaries of the atomic bomb, there are a few obvious choices. July 16, 1945, was the date of the Trinity test, the first nuclear explosion, and has been used by some as ...

HARRISONBURG, Va. (WHSV) - In an effort to end World War II, the United States made an irreversible decision, changing the course of history: dropping the world’s first atomic bombs. On Aug. 6 and Aug ...

After the successful nuclear detonations on top of Hiroshima and Nagasaki, the Soviet Union was slow to react and focus its resources on nuclear research. However, thanks to successful espionage ...

Editor’s note: The Bulletin of the Atomic Scientists presents here, from its September 1946 issue, an eyewitness account of the first atomic bomb test in the Marshall Islands. In it, the author not ...